R
Reactor
Adjacent neolabDeveloper platform for real-time generative video and world models
Raised, confirmed—1 confirmed round
Valuation, confirmed—none disclosed
Valuation, reported—no open report
Founded2025San Francisco, CA, US
Key facts
| Field | Value | Source · checked |
|---|---|---|
| Classification | Adjacent neolabInfrastructure platform for real-time generative video and world models, founded by former Apple Vision Pro leads; Series A led by Lightspeed Venture Partners with NVIDIA and Sapphire Ventures (Oct 2026). | |
| Field | World models | |
| Founded | 2025 | sec.gov <yearOfInc> <withinFiveYears>true</withinFiveYears> <value>2025</value> </yearOfInc>checked 15 Nov 2026 |
| Headquarters | San Francisco, CA, US | finance.yahoo.com Reactor is backed by Lightspeed Venture Partners, WndrCo, NVIDIA, Amplify Partners, Sky9 Capital, Sapphire Ventures, FPV Ventures and additional investors, and is headquartered in San Francisco.checked 10 Nov 2026 |
| Founders | Alberto Taiuti, Bryce Schmidtchen | |
| Website | reactor.inc | reactor.inc Reactor is the developer infrastructure for real-time generative media.checked 10 Nov 2026 |
| Careers | reactor.inc | reactor.incchecked 15 Nov 2026 |
| Profiles and work | X @reactorworldLinkedInDocs | How links are checkedchecked 15 Nov 2026 |
Funding rounds
No round of Reactor is confirmed by the company or a regulator. Status rules: methodology.
| Date | Round | Amount | Valuation | Investors | Status | Source · checked |
|---|---|---|---|---|---|---|
| 5 Oct 2026 | Series A | undisclosed | — | Lead: Lightspeed Venture Partners; NVIDIA, Sapphire Ventures, WndrCo, Amplify Partners, Sky9 Capital, FPV Ventures | Confirmed | Business Wire (via Yahoo Finance) NVIDIA and Sapphire Ventures have joined its Series A round, led by Lightspeed Venture Partners.checked 10 Nov 2026 |
Notes on these rounds
- 5 Oct 2026 Series A: NVIDIA and Sapphire Ventures joined the Series A round led by Lightspeed Venture Partners. Amount and valuation not disclosed.
People
| Name | Role | Before | Now | Source · checked |
|---|---|---|---|---|
| Alberto Taiuti | Co-founder & CEO | Luma AI (Co-founder and CTO), Apple (Technical lead, Vision Pro) | Current | finance.yahoo.com Reactor was co-founded by Taiuti and CTO Bryce Schmidtchen, both former technical leads on Apple Vision Pro.checked 10 Nov 2026 |
| Bryce SchmidtchenXLinkedIn | Co-founder & CTO | Apple (Technical lead, Vision Pro) | Current | finance.yahoo.com Reactor was co-founded by Taiuti and CTO Bryce Schmidtchen, both former technical leads on Apple Vision Pro.checked 10 Nov 2026 |
Professional facts from public sources only. How people records are handled.
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